Home / 3,326.26-4,985.10-1,679.11

Finding the Fourth Proportional to 3,326.26, 4,985.10 and 1,679.11

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Solution

The fourth proportional to 3,326.26, 4,985.10 and 1,679.11 is: 2,516.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.26 : 4,985.10 = 1,679.11 : x
  2. Step 2: Convert to fraction form
    3,326.26/4,985.10 = 1,679.11/x
  3. Step 3: Cross multiply
    3,326.26x = 4,985.10 × 1,679.11
  4. Step 4: Simplify right side
    3,326.26x = 8,370,531.26
  5. Step 5: Solve for x
    x = 8,370,531.26/3,326.26
  6. Step 6: Final answer
    x = 2,516.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.